File: typeGuardOfFormFunctionEquality.js

package info (click to toggle)
node-typescript 5.2.2-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 497,488 kB
  • sloc: javascript: 2,107,274; makefile: 6; sh: 1
file content (28 lines) | stat: -rw-r--r-- 693 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
//// [tests/cases/conformance/expressions/typeGuards/typeGuardOfFormFunctionEquality.ts] ////

//// [typeGuardOfFormFunctionEquality.ts]
declare function isString1(a: number, b: Object): b is string;

declare function isString2(a: Object): a is string;

switch (isString1(0, "")) {
    case isString2(""):
    default:
}

var x = isString1(0, "") === isString2("");

function isString3(a: number, b: number, c: Object): c is string {
    return isString1(0, c);
}


//// [typeGuardOfFormFunctionEquality.js]
switch (isString1(0, "")) {
    case isString2(""):
    default:
}
var x = isString1(0, "") === isString2("");
function isString3(a, b, c) {
    return isString1(0, c);
}